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Houston, TX Local Forecast Office

18NM NW Galveston TX

Marine Point Forecast

[NOTICE]

Today
High: 67 °F
E 10kt
< 1ft
Tonight
Low: 61 °F
SE 10kt
< 1ft
Friday
High: 64 °F
ESE 10kt
< 1ft
Friday Night
Low: 51 °F
E 15kt
1-2ft
Saturday
High: 54 °F
N 15kt
2ft
Saturday Night
Low: 32 °F
N 20kt
1-2ft
Sunday
High: 36 °F
NNW 20kt
1ft
Sunday Night
Low: 27 °F
N 20kt
1ft
Monday
High: 41 °F
N 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:51 am CST Jan 22, 2026
Forecast Valid: 6am CST Jan 22, 2026-6pm CST Jan 28, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

Today

NNE wind 5 to 10 kt becoming ESE in the afternoon. Widespread dense fog, mainly between 7am and 9am. Seas 1 ft or less.

Tonight

SE wind 5 to 10 kt. Patchy fog after 1am. Seas 1 ft or less.

Friday

ESE wind 5 to 10 kt. A chance of showers. Patchy fog before 9am. Seas 1 ft or less.

Friday Night

E wind 10 to 15 kt. A chance of showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Seas 1 to 2 ft.

Saturday

ENE wind around 15 kt becoming N in the afternoon. Showers and possibly a thunderstorm. Seas around 2 ft.

Saturday Night

N wind 15 to 20 kt. Showers, with thunderstorms also possible after midnight. Seas 1 to 2 ft.

Sunday

NNW wind 15 to 20 kt. A chance of showers, mainly before noon. Seas around 1 ft.

Sunday Night

N wind 15 to 20 kt. Mostly cloudy. Seas around 1 ft.

Monday

N wind 10 to 15 kt. Sunny. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.